content: /**
   * Copyright (c) 2016-present, RxJava Contributors.
   *
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
   * compliance with the License. You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software distributed under the License is
   * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
   * the License for the specific language governing permissions and limitations under the License.
   */
  
  package io.reactivex.observable.internal.operators;
  
  import java.util.concurrent.atomic.AtomicReference;
  
  import io.reactivex.common.*;
  import io.reactivex.common.internal.disposables.DisposableHelper;
  import io.reactivex.observable.*;
  
  public final class CompletableObserveOn extends Completable {
  
      final CompletableSource source;
  
      final Scheduler scheduler;
      public CompletableObserveOn(CompletableSource source, Scheduler scheduler) {
          this.source = source;
          this.scheduler = scheduler;
      }
  
      @Override
      protected void subscribeActual(final CompletableObserver s) {
          source.subscribe(new ObserveOnCompletableObserver(s, scheduler));
      }
  
      static final class ObserveOnCompletableObserver
      extends AtomicReference<Disposable>
      implements CompletableObserver, Disposable, Runnable {
  
  
          private static final long serialVersionUID = 8571289934935992137L;
  
          final CompletableObserver actual;
  
          final Scheduler scheduler;
  
          Throwable error;
  
          ObserveOnCompletableObserver(CompletableObserver actual, Scheduler scheduler) {
              this.actual = actual;
              this.scheduler = scheduler;
          }
  
          @Override
          public void dispose() {
              DisposableHelper.dispose(this);
          }
  
          @Override
          public boolean isDisposed() {
              return DisposableHelper.isDisposed(get());
          }
  
          @Override
          public void onSubscribe(Disposable d) {
              if (DisposableHelper.setOnce(this, d)) {
                  actual.onSubscribe(this);
              }
          }
  
          @Override
          public void onError(Throwable e) {
              this.error = e;
              DisposableHelper.replace(this, scheduler.scheduleDirect(this));
          }
  
          @Override
          public void onComplete() {
              DisposableHelper.replace(this, scheduler.scheduleDirect(this));
          }
  
          @Override
          public void run() {
              Throwable ex = error;
              if (ex != null) {
                  error = null;
                  actual.onError(ex);
              } else {
                  actual.onComplete();
              }
          }
      }
  
  }
  